
This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...

Sep1514 12:03 AM
marcus

72 
67,987 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

1 
26,944 
Are changes in the frequencies of vibrating strings the cause of entropy? Does entropy also count in the case of...

Feb2109 03:44 AM
Fra

8 
2,590 
I have a question about Witten's original 1998 paper on AdS/CFT
http://arxiv.org/abs/hepth/9802150
Since the...

Feb2009 09:05 PM
jdstokes

0 
1,238 
Basically i am on an Alevel research product and i have chosen to study string theory. I have explained particle...

Feb2009 05:59 AM
dinah9312

5 
4,509 
Is it true that classical theories tend to treat matter 'in the limit' of large N, or it encodes matter in N_A as ...

Feb2009 12:18 AM
sirchasm

1 
1,116 
How can string theory explain the results of Bell inequality experiments and experiments of similar inequalities?

Feb1909 09:50 AM
Demystifier

1 
4,110 
Can someone explain what's Z2 symmetry ? Is it necessary to have it in a model, even SM ?

Feb1709 11:20 AM
robousy

7 
9,863 
http://arxiv.org/abs/0902.1464
Does wave function collapse cause gravity?
Authors: Lajos Diósi
(Submitted on 9...

Feb1709 03:38 AM
Fra

5 
2,802 
in diffeomorphism invariant theory, which is the meaning of the time in quantization?
or in other words which is the...

Feb1609 09:27 AM
marcus

1 
1,440 
I'm trying to build an explanatory theory that encompasses both the standard and cosmological standard models (isn't...

Feb1109 06:29 PM
SimonA

8 
1,818 
Hello,
What about gauging discrete groups ?
(C, P, T (??), Flavour Groups, Fermionic number symmetry...)

Feb1109 02:36 AM
Thomas Larsson

13 
1,860 
http://arxiv.org/abs/0902.1509
E(7(7)) and d=11 supergravity
Authors: Christian Hillmann
(Submitted on 9 Feb...

Feb1009 07:18 AM
MTd2

0 
1,504 
Hi all ! I am curious about the possibility of knotted strings. If we can accept the propagation of closed loop...

Feb909 10:21 AM
Alwi

3 
2,370 
I've heard that some physicists think spacetime is like a liquid.
So why aren't we dissolving in it?

Feb909 12:00 AM
SodaBiscuit

15 
3,560 
I've been reading the Journal of remote mental control and nonlocality <Crackpot Link Removed>, and Topological...

Feb709 08:39 AM
Doc Al

1 
3,565 
Sifting through ArXiv and other sources, I've found many documents on the topic of String Field Theory, perhaps the...

Feb509 11:17 PM
Coin

2 
4,782 
I'm beginning a research on the different approaches to QG (or also
calssical QM) where the attempt to introduce the...

Feb509 09:36 PM
exponent137

4 
3,453 
Petr Horava attempts to start at this paper a small quantum gravity theory, like Loop Quantum Gravity, except that he,...

Feb509 03:35 AM
MTd2

8 
9,366 
I've been looking for (free) papers (probably 100+ pages) that are introductions to elevendimensional supergravity....

Feb409 03:16 PM
xepma

1 
1,750 
This is driving me nuts. Hope someone can explain this to me.
To classify conformally inequivalent tori, one...

Feb409 03:03 PM
xepma

4 
1,324 
hi,
Do the addition of nonlinear terms in action play any significant role in string theory??
if so, what is its...

Feb409 11:43 AM
anuradha

3 
1,366 
Hi folks ! I have always felt that string theory can be generalized somewhat further via the inclusion of knotted...

Feb209 11:24 PM
Alwi

0 
1,466 
Maybe someone could inform me a little on what I'm talking about, because, honestly, I have no idea. If 11...

Feb209 03:24 PM
Coin

2 
1,168 
I have a theory about fast variable G, (a few approaches) but almost no comments on this.
...

Feb109 08:09 PM
exponent137

0 
1,092 
In a video I watched, which I can't find now, Leonard Susskind briefly mentions something about scientists recently...

Jan3109 09:15 PM
atyy

1 
1,618 
Is the number of lepton generations in string theory restricted to 3? Or is this "landscape dependent"?
I don't...

Jan3009 08:29 PM
JustinLevy

6 
1,653 
Questions: Where can I obtain the most advanced published papers regarding valid unification theories? If there are...

Jan3009 04:11 PM
Potential

3 
1,344 
Anyon are particular 2 dimensionsional objects and so is the worldsheet critical superstrings. But given that those 2...

Jan3009 10:29 AM
xepma

3 
1,370 
In Szabo's book on string theory he calculates the vacuum to vacuum one loop (genus one)
diagram.
The...

Jan2809 08:45 PM
nrqed

2 
1,261 
ABSTRACT
Parity no conservation in the decay processes is considered as fundamental property of weak...

Jan2809 12:11 PM
Stanislav

0 
1,142 
I am wondering if string theory says anything about how only some vibrational patterns lead to mass while a few don't,...

Jan2809 10:42 AM
Naty1

0 
1,260 
Why do strings only have one dimension (or maybe branes have 2 dimensions)? Why aren't oscillating volumes (like a...

Jan2709 03:14 PM
Coin

9 
1,946 
Does anyone know if MTheory is that same as Superstring Field Theory?

Jan2609 08:15 PM
Coin

3 
1,464 
I don't have much of a math/physics background, undergraduate physics and calculus is where I stopped... yet I find...

Jan2609 07:27 PM
bockerse

136 
29,672 
Is there not an inherent paradox in AmelinoCamelia’s DSR (Doubly special relativity)?
Every solid piece of matter...

Jan2609 07:02 PM
jambaugh

3 
1,032 
In a recent lecture on String Theory, we encountered the divergent sum 1+2+3+.... when calculating the zero mode...

Jan2609 03:17 AM
Thomas Larsson

2 
2,623 
http://streamer.perimeterinstitute.ca:81/mediasite/viewer/FrontEnd/Front.aspx?&shouldResize=False
scroll down the...

Jan2409 11:47 AM
Core2duo

126 
12,528 
In a recent lecture on bosonic String Theory, we encountered the divergent Sum 1+2+3+... when calculating the zero...

Jan2409 05:54 AM
Orbb

0 
2,347 
In a recent lecture on bosonic string theory, we calculated the Virasoro operators, especially the zero mode,...

Jan2409 05:50 AM
Orbb

0 
1,917 
http://sciencewatch.com/dr/erf/maps/08decerfBaggETRFM/#156486489
This is an interesting development in String/M,...

Jan2309 12:48 AM
marcus

1 
2,041 
Why we are searching quantum gravity effect at the planck scale?
The question seems very stupid (and may be) but let...

Jan2209 06:58 AM
luxxio

3 
1,704 